3,4-Dihydro-2-methoxy-2H-pyran
- Product Name3,4-Dihydro-2-methoxy-2H-pyran
- CAS4454-05-1
- CBNumberCB7244340
- MFC6H10O2
- MW114.14
- EINECS224-698-3
- MDL NumberMFCD00006560
- MOL File4454-05-1.mol
Chemical Properties
| Boiling point | 126 °C |
| Density | 1.006 g/mL at 25 °C(lit.) |
| refractive index | 1.441-1.443 |
| Flash point | 16 °C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | soluble in Methanol |
| form | Liquid |
| color | Clear colorless to yellow |
| BRN | 107274 |
| Henry's Law Constant | 9.7×10-2 mol/(m3Pa) at 25℃, Ebert et al. (2023) |
| CAS DataBase Reference | 4454-05-1(CAS DataBase Reference) |
| FDA UNII | QF1850DW4W |
| EPA Substance Registry System | 2H-Pyran, 3,4-dihydro-2-methoxy- (4454-05-1) |
Safety
| Symbol(GHS) |
 
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| Signal word | Danger | |||||||||
| Hazard statements | H225-H302-H315-H320-H313-H319-H335 | |||||||||
| Precautionary statements | P261-P303+P361+P353-P305+P351+P338-P405-P501a-P210-P233-P240-P241+P242+P243-P264-P270-P280-P301+P312+P330-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501 | |||||||||
| Hazard Codes | Xn-F,Xn | |||||||||
| Risk Statements | 22-11-36-20-10 | |||||||||
| Safety Statements | 9-33-16-36-26 | |||||||||
| RIDADR | 1993 | |||||||||
| RTECS | UP7900000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29329900 | |||||||||
| Toxicity | rabbit,LD50,skin,4920mg/kg (4920mg/kg),LUNGS, THORAX, OR RESPIRATION: DYSPNEALUNGS, THORAX, OR RESPIRATION: STRUCTURAL OR FUNCTIONAL CHANGE IN TRACHEA OR BRONCHISKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE",Veterinary and Human Toxicology. Vol. 30, Pg. 545, 1988. | |||||||||
| NFPA 704: |
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